Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years (2009)
Marchant, R., Harrison, S.P., Hooghiemstra, H., Cleef, A.M., Wille, M.
The biomisation method is used to reconstruct Latin American vegetation at 6000±500 and 18 000±1000 radiocarbon years before present (14C yr BP) from pollen data. Tests using modern pollen data...
Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years (2009)
Marchant, R., Harrison, S.P., Hooghiemstra, H., Markgraf, V., Boxel, J.H. Van, Ager, T., ...
The biomisation method is used to reconstruct Latin American vegetation at 6000±500 and 18 000±1000 radiocarbon years before present (14C yr BP) from pollen data. Tests using modern pollen data...
Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years (2009)
R. Marchant, S. P. Harrison, H. Hooghiemstra, V. Markgraf, T. Ager, ...
The biomisation method is used to reconstruct Latin American vegetation at 6000±500 and 18 000±1000 radiocarbon years before present (<sup>14</sup>C yr BP) from pollen data....
Vargas-Ramirez, L., Roche, E., Gerrienne, P., Hooghiemstra, H.
A pollen record from Puyehue area (40°S; 72°W) in the southern Lake District, Chile, indicates that prior to 13,410 14C yr BP (ca. 16,500 - 15,200 cal yr BP), cold resistant and hygrophilous...
Sarmiento, G., Gaviria, S., Hooghiemstra, H., Berrio, J.C., Hammen, T. Van Der
The Basin of Ubaté–Chichinquirá (5°28′N, 73°45′ W, c. 2580 m altitude) includes the Fúquene Valley and is located in the central part of the Eastern Cordillera of Colombia. Rocks and...
González-Carranza, Z., Berrío, J.C., Hooghiemstra, H., Duivenvoorden, J.F., Behling, H.
A 450 cm long sediment core was collected from a swamp in the dry forest ecosystem of the Patía Valley in Colombia (02°02′ N, 77° W at 750 m elevation). This core (Potrerillo-2) was analysed...
Late Quaternary vegetation reconstruction from the Eastern Arc Mountains, Tanzania (2008)
Mumbi, C.T., Marchant, R., Hooghiemstra, H., Wooller, M.J.
Pollen, spore, macrofossil and stable isotope (C and N) analyses from a 266-cm sediment core collected from a swamp on the Eastern Arc Mountains, Tanzania, are used to reconstruct vegetation and...
Holocene environmental change at the upper forest line in northern Ecuador (2008)
Bakker, J., Moscol Olivera, M., Hooghiemstra, H.
We have reconstructed the altitudinal position of the upper forest line (UFL) during the last 6000 years. This boundary between montane forest and páramo (tropical alpine grasslands) has important...
Climatic forcing of asymmetric orogenic evolution in the Eastern Cordillera of Colombia (2008)
Mora, A., Parra, M., Strecker, M.R., Sobel, R.A., Hooghiemstra, H., Torres, V., ...
New apatite fission-track data, paleoelevation estimates from paleobotany, and recently acquired geological data from the Eastern Cordillera of Colombia document the onset of increased exhumation...
Flantua, S.G.A., Boxel, J.H. Van, Hooghiemstra, H.
Climate changes affect the abundance, geographic extent, and floral composition of vegetation, which are reflected in the pollen rain. Sediment cores taken from lakes and peat bogs can be analysed...
De toren van Pisa rechtgezet. Over de toekomst van de Nederlandse Archeologie (2007)
Yntema, D.G., Raemakers, D.C.M., Moormann, E.M., Bazelmans, J.G.A., Hooghiemstra, H.
Gomez, A., Berrio, J.C., Hooghiemstra, H., Becerra, M., Marchant, R.
Holocene environments in the intra-Andean basin of Duitama (Eastern Cordillera of Colombia, 2510 m altitude) are presented based on the 620 cm long Vargas pollen and sediment record. Seven AMS...
Radiocarbon dating of soil organic matter fractions in Andosols in Northern Ecuador (2006)
Tonneijck, F.H., Plicht, J. Van Der, Jansen, B., Verstraten, J.M., Hooghiemstra, H.
Volcanic ash soils (Andosols) may offer great opportunities for paleoecological studies, as suggested by their characteristic accumulation of organic matter (OM). However, understanding of the...
The paleobotanical record of Colombia: Implications for biogeography and biodiversity (2006)
Hooghiemstra, H., Wijninga, V.M., Cleef, A.M.
Plant microfossil and macrofossil associations obtained from six dated sections from the area of the basin of Bogota¿ (2550 m, Eastern Cordillera, Colombia) show the evolution of the late Neogene...
Almeida Lenero, L., Hooghiemstra, H., Cleef, A.M.
Pollen records of a 520-cm long core from Lake Zempoala (2800 m altitude) and a 884-cm long composite core from Lake Quila (3010 m altitude), both located 65 km SW of Mexico City, show changes in...
Marchant, R., Boom, A., Behling, H., Hooghiemstra, H., Melief, B., Van Geel, B., ...
Colombian vegetation, at the ecological level of the biome, is reconstructed at the Last Glacial Maximum (LGM) using two methods. A reconstruction of modern biomes shows that, for the majority of the...
Marchant, R., Hooghiemstra, H.
Palaeoecological data recording a pronounced environmental shift centred about 4000 years BP are presented from tropical Africa and South America. The environmental shift is particularly manifested...
Lateglacial and Holocene history of the dry forest area in South Colombian Cauca (2003)
Berrío, J.C., Hooghiemstra, H., Marchant, Robert, Rangel, O.
Marchant, R., Almeida, L., Behling, H., Berrio, J.C., Bush, M., Cleef, A., ...
The cornerstone of palaeoecological research, concerned with vegetation dynamics over the recent geological past, is a good understanding of the present-day ecology and distribution of the taxa. This...
Marchant, R., Behling, H., Berrío, J.C., Cleef, A.M., Duivenvoorden, J., Hooghiemstra, H., ...
Colombian biomes are reconstructed at 45 sites from the modern period extending to the Last Glacial Maximum (LGM). The basis for our reconstruction is pollen data assigned to plant functional types...
Distribution and ecology of pollen lodged within the Latin American Pollen Database (2002)
Marchant, R., Almeida, L., Behling, H., Berrío, J.C., Bush, M., Cleef, A.M., ...
The cornerstone of palaeoecological research, concerned with vegetation dynamics over the recent geological past, is a good understanding of the present-day ecology and distribution of the taxa. This...
Sinninghe Damsté, J.S., Boom, A., Marchant, R., Hooghiemstra, H.
During the Pleistocene the vegetation changes in the high Colombian Andes included changes from C3 to C4 plants. This is inferred from 13C values of the C31 n-alkane from the Funza-2 sedimentary...
Mid- to Late-Holocene pollen-based biome reconstructions for Colombia (2001)
Marchant, R., Behling, H., Berrío, J.C., Cleef, A.M., Duivenvoorden, J., Hooghiemstra, H., ...
The assignment of Colombian pollen data to biomes allows the data to be synthesised at 10 `time windows' from the present-day to 6000 radiocarbon years before present (BP). The modern reconstructed...
High altitude C4 grasslands in the northern Andes: relicts from glacial conditions? (2001)
Boom, A., Mora, G., Cleef, A.M., Hooghiemstra, H.
The altitudinal vegetation distribution in the northern Andes during glacial time differed from the present-day conditions as a result of temperature and precipitation change. New evidence indicate...
Marchant, R., Berrío, J.C., Cleef, A.M., Duivenvoorden, J., Helmens, K., Hooghiemstra, H., ...
Biomes are reconstructed in Colombia from modern (core-top) pollen data derived from 22 sites along an altitudinal gradient (2000–4100 m) that encompasses the tree line. The `biomization'...